266937008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6449}}^1$

素因数の和:6669

約数の個数: 40

約数和(自身を含む): 559860000

約数和(自身を除く): 292922992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 2587, 3184, 5174, 6449, 10348, 12898, 20696, 25796, 41392, 51592, 83837, 103184, 167674, 335348, 670696, 1283351, 1341392, 2566702, 5133404, 10266808, 16683563, 20533616, 33367126, 66734252, 133468504, 266937008]

約数ペア:

[(1, 266937008), (2, 133468504), (4, 66734252), (8, 33367126), (13, 20533616), (16, 16683563), (26, 10266808), (52, 5133404), (104, 2566702), (199, 1341392), (208, 1283351), (398, 670696), (796, 335348), (1592, 167674), (2587, 103184), (3184, 83837), (5174, 51592), (6449, 41392), (10348, 25796), (12898, 20696)]